Patents by Inventor Tseng Huan-Chiang

Tseng Huan-Chiang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Golf club head
    Patent number: D388143
    Type: Grant
    Filed: December 3, 1996
    Date of Patent: December 23, 1997
    Inventor: Tseng Huan-Chiang
  • Golf club head
    Patent number: D389541
    Type: Grant
    Filed: December 3, 1996
    Date of Patent: January 20, 1998
    Inventor: Tseng Huan-Chiang